public class calc{
	public void add(int a,int b){
		System.out.println(a+b);
	}

	public void subtraction(int a,int b){
		System.out.println(a-b);
	}

	public void max(int a,int b){
		if(a>=b)
			System.out.println(a);
		else
			System.out.println(b);
	}
}